Pith Number

pith:Y4BM7NPR

pith:2013:Y4BM7NPR3FHG6D6TFWBIKJMR65

not attested not anchored not stored refs pending

Linearly Convergent First-Order Algorithms for Semi-definite Programming

Cong D. Dang, Guanghui Lan

arxiv:1309.2251 v1 · 2013-09-09 · math.OC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y4BM7NPR3FHG6D6TFWBIKJMR65}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T03:13:46.828533Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c702cfb5f1d94e6f0fd32d82852591f75a5ff826e267c1d48f31209f173aaa8d

Aliases

arxiv: 1309.2251 · arxiv_version: 1309.2251v1 · doi: 10.48550/arxiv.1309.2251 · pith_short_12: Y4BM7NPR3FHG · pith_short_16: Y4BM7NPR3FHG6D6T · pith_short_8: Y4BM7NPR

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/Y4BM7NPR3FHG6D6TFWBIKJMR65 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: c702cfb5f1d94e6f0fd32d82852591f75a5ff826e267c1d48f31209f173aaa8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ad0926ae9dffececae028cd9e48498216447f07157fdf77551437fd3e33dcea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2013-09-09T18:33:49Z",
    "title_canon_sha256": "3168d2c6259493538fbcf46ca84d391caa6d83e99bc5db49ad402cfc20801153"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.2251",
    "kind": "arxiv",
    "version": 1
  }
}